Reply To: Tin's 1100x900mm Build

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Jeffeb3
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Just a shot in the dark, check the FETs on the top of the RAMPS board. The metal heat sinks are live, and they shouldn’t be touching. A friend of mine toasted one with that mistake. There are two of them that can touch with a little bending (seems risky enough to me to deserve some tape).

These are what I’m talking about: